Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 514
... measurements were measured directly . ( ii ) ca. 10-3M substrate . ( a ) A purified solution of the penta - aquo - 4 - pyridiniomethylchromium- ( III ) ion ( 100 ml , 10-2м ) was mixed with thallium ( 111 ) per- chlorate ( 100 ml , 10 ...
... measurements were measured directly . ( ii ) ca. 10-3M substrate . ( a ) A purified solution of the penta - aquo - 4 - pyridiniomethylchromium- ( III ) ion ( 100 ml , 10-2м ) was mixed with thallium ( 111 ) per- chlorate ( 100 ml , 10 ...
Page 1232
... measured on Dreiding models ICH2 ( I ) [ CH2ln ( II ) .X A X B @ In de- grees from Dreiding @ In degrees Cos 0 = ε ... measured in a skew conformation and 3,4 - dihydro- 2H - 1,5 - benzodioxepin in a chair conformation ; the eight ...
... measured on Dreiding models ICH2 ( I ) [ CH2ln ( II ) .X A X B @ In de- grees from Dreiding @ In degrees Cos 0 = ε ... measured in a skew conformation and 3,4 - dihydro- 2H - 1,5 - benzodioxepin in a chair conformation ; the eight ...
Page 1322
... measured at 60 MHz . • Values at 30 ° . 4.265 4.299 -100 4.682 3,5,5 - tri - Me 3.761 -100 4.315 3.139 N.m.r. spectra were measured on a Varian HA 100 spectrometer ( 35 ° ambient temperature ) with the V - 4343 variable - temperature ...
... measured at 60 MHz . • Values at 30 ° . 4.265 4.299 -100 4.682 3,5,5 - tri - Me 3.761 -100 4.315 3.139 N.m.r. spectra were measured on a Varian HA 100 spectrometer ( 35 ° ambient temperature ) with the V - 4343 variable - temperature ...
Contents
Physical organic chemistry | 1 |
Contents | 6 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
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A2 mechanism acetic acid-catalysed addition alcohol alkaline hydrolysis Amer analysis anion aqueous aromatic benzene benzoate bond bromine cal mol-1 calculated carbon atom carbonium ion carbonyl catalysis Chem Chemistry chlorine compounds concentration conjugate conjugate acid correlation deuterium diastereomers dienamines dioxan electron pairs energy entropies of activation epoxide equation esters ether ethylene exchange experimental Figure formation glycol H₂O hydrogen hydroxide hypochlorous acid indicate intramolecular isomer isotope effects k₁ k₂ ketone kinetic MeOH methanol methanolysis methiodide method methyl mixture mmHg mol-¹ molecular molecule n-pentyl n.m.r. spectra nitration nucleophilic observed obtained olefin oxidation oxygen p-xylene parameters perchloric acid Phys polar positive proton R. J. W. Le Fèvre radical rate coefficients rate constants ratio reaction constant reactivity relative resorcinol ring sodium solution solvent steric steric effects structure studied substituent substituted substrate t-butyl Table temperature Tetrahedron thiophen trans triethylborane values